0677001.DRT4

Fuses have been used almost in any power applications as an essential device for over-current and short-circuit protection. As technology is advancing and infrastructure requires higher ratings, there is need for improved fuse carriers to integrate inline with the load. It must be well designed to tolerate extreme environmental conditions, and isolate any fault back to the source, ensuring safe operation. This article will discuss the 0677001.DRT4. Application FieldThe 0677001.DRT4 has been designed to protect circuits in residential, commercial, industrial and agricultural installations. It offers an optimal solution for health and safety operatives in both Private or Public building systems. It can be used in electrical systems run by power utilities, and also be suitable even for unfavourable environments like, mining, marine and chemical applications. The 0677001.DRT4 comes with a semi-amplitude signal pulse limiting feature, which prevents false tripping due to a supervisory voltage fault.Working PrincipleThe 0677001.DRT4 works based on an elegant and straightforward mechanism. When a short-circuit or an over-current occurs, the fuse will open the circuit and ultimately trips. The base specs are set to match the fuse characteristics to the system needs. For a combination of temperature, current and over-voltage, it will comply with the pertinent international standards such as the IEC and UL standards. The 0677001.DRT4 is triggered by the effect of current heating up and melting the fuse element within a few milliseconds since the fault was initiated. This will then open the circuit, making sure that the system is not overloading or in the case of short circuit, the detection of which could save the underlying parts of the system.To improve overall safety and fused connection quality, the 0677001.DRT4 comes with built-in blocks and isolators to enable the fuse to withstand 7 KA Network Surge, Shock and Vibration. The finned cast aluminium base provides heatsink for the fuse element and allows for better cooling, usually during motor startuup or heavy load changes.Moreover, the lockable fuse carrier enabled by the 0677001.DRT4 design,allows for maintenance enquiries to prevent any faulty or damaged fuses to continue to cause unnecessary current overload. This protective action such as the lockable cap feature, set new standards in the industry for safety and reliability. In order to prevent any unplanned interruption of power supply due to a fault, the 0677001.DRT4 is rated up to 30A and has a built-in thermal shutdown which cuts off the current after one hour of continuous fault operation. This will ensure there is enough time for personnel to attend to the fault in time and prevent any consequential damages to the system. The 0677001.DRT4 fuse carries also comes in HRC fuse variant, with F and H specifications and time delays built in. To guarantee safe and correct connection, the fuse pins are highlighted in red tinting of the carrier.When combined with an outstanding corrosion protection, improved fitting durability and accurate rating, the 0677001.DRT4 fuse carrier is amongst the finest on the market. It is certainly an all-in-one solution for power professionals.